Writing & GrowthUnclaimed
The Publishing Spectrum
Editorial and audience deep dives for independent publishers on Substack. Instruments for understanding your publication, your audience and where your creative work is going next. The audio side of The Publishing Spectrum. Live conversations, publication check-ins and real data readings for people who want to understand how their work reaches readers, and what to do about it.
No day of the last seven was confirmed by three independent installations, so The Publishing Spectrum is out of this week’s ranking. Last confirmed day: Oct 30, 2026.
Method
How this is measured
Members of this group who use the Subshack browser extension count, in their own browser, the previous day’s messages, participants, replies and questions. Only those totals reach Subshack: no message text, no names, no member IDs.
A day counts once three different Subshack accounts report it. A group is ranked only with at least 2 confirmed days and 5 messages over the last seven days.
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About this group
What is The Publishing Spectrum?
Editorial and audience deep dives for independent publishers on Substack. Instruments for understanding your publication, your audience and where your creative work is going next. The audio side of The Publishing Spectrum. Live conversations, publication check-ins and real data readings for people who want to understand how their work reaches readers, and what to do about it.
How active is The Publishing Spectrum each week?
No day of the last seven was confirmed by three independent installations. Its last confirmed day was Oct 30, 2026.
How is the ranking computed?
Each full UTC day, Subshack installations that are members of a group report privacy-safe totals: messages, active participants, replies and help requests. A day counts only when three different Subshack accounts report it. A group is ranked only with at least 2 confirmed days and 5 messages over the last seven days; its weekly score is the mean of those qualified days, and groups are ranked by that score.
How can creators track leads in The Publishing Spectrum?
Subshack Lead Miner runs in the creator’s browser, spots aggregate help intent, and keeps raw chat messages out of this public directory.
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